the estate tax which lets your charitable giving not be taxed is clearly a very positive encouragement to look at giving. i'd say that even more than the taxes, though, the fact that there's more examples of people where -- so everyone is asking themselves, you know, could i be giving you something, the fact that they hear the impact is very strong, i think the kind of social movement is even more, but the tax structure helps. >> what continuing investment is needed at this point? in other words who are the biggest stakeholders you want to reach that you haven't reached yet that haven't been as generous as they could? is this process harder as we see austerity taking place all around the world? >> well, the money that helps out the poorest overwhelmingly comes from government aid budgets and so what kind of priority that gets say in the u.s. budget process over the next four or five years i'd say is pretty unclear. will the generosity go up? will it be cut proportionately? or will it suffer a disproportionate cut, you know? unless we tell the aids story very well, you know, i'd be quit